| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 223.8-2025 | English | RFQ |
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Iron, steel and alloy - Determination of aluminium content - Titrimetric method and spectrophotometric method
| Valid |
GB/T 223.8-2025
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| GB/T 223.8-2000 | English | 249 |
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Methods for chemical analysis of iron, steel and alloy. The sodium fluoride separation. EDTA titration method for the determination of aluminium content
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GB/T 223.8-2000
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| GB/T 223.8-1991 | English | RFQ |
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Methods for chemical analysis of iron, steel and alloy--The sodium fluoride separation-EDTA volumetric method for the determination of aluminium content
| Obsolete |
GB/T 223.8-1991
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